u16 = 'El Niño'.encode('utf_16')
print(u16)
print(list(u16))

u16le = 'El Niño'.encode('utf_16le')
u16be = 'El Niño'.encode('utf_16be')
print(u16le, u16[2:] == u16le)  # 本机为小端
print(u16be)
